20D102K (SUNSTAR)
METAL OXIDE VARISTOR

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ZOV 20ĭ SERIES
DATA SHEET
METAL OXIDE VARISTOR – 20ĭ SERIES
FEATURE
— Wide operating voltage (V1mA) range from 18V to 1800V.
— Fast responding to transient over-voltage.
— Large absorbing transient energy capability.
— Low clamping ratio and no follow-on current.
— Meets MSL level 1, per J-STD-020
APPLICATION
— Transistor, diode, IC, thyristor or triac semiconductor protection.
— Surge protection in consumer electronics.
— Surge protection in industrial electronics.
— Surge protection in electronic home appliances, gas and petroleum appliances.
— Relay and electromagnetic valve surge absorption.
GENERAL CHARACTERISTICS DEFINITION
— Operating Temperature˖-40ć ~ +85ć
— Storage Temperature˖ -40ć ~ +125ć
PART NUMBER CODE
Element Diameter
Type
D: Disk
S: Square
Varistor Voltage
Tolerance
K: f10%
L: f15%
M: f20%
Revision:15-Feb-12


20D102K (SUNSTAR)
METAL OXIDE VARISTOR

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PACKAGE DIMENSIONS
ZOV 20ĭ SERIES
DD
H
H1
Kİ 3.0
d1
L1
D1
Kİ 3.0
d
D1
TABLE 1
unit:mm
Symbol
H(max.)
H1(max.)
Dimensions
26.5
28.0
L(min.)
L1(min.)
D(max.)
D1
20.0
15.0
23.0
7.5±0.8/10.0±1.0
T(max.)
d(±0.05)
d1(±0.4)
TABLE 2
0.8/1.0
1.4/1.6
Model
180K
220K
270K
330K
390K
470K
560K
680K
820K
101K
121K
151K
181K
201K
221K
241K
271K
301K
331K
DT
H1
4.0 max
d L1
D1
F TYPE
TABLE 2
T(Max.)
4.35
4.44
4.59
4.80
4.56
4.77
5.02
5.32
4.48
4.65
4.80
4.52
4.66
4.76
4.84
4.95
5.00
5.05
5.22
Model
361K
391K
431K
471K
511K
561K
621K
681K
751K
781K
821K
911K
102K
112K
122K
142K
162K
182K
unit:mm
T(Max.)
5.38
5.55
5.77
5.99
6.21
6.48
6.81
7.14
7.53
7.69
7.91
8.17
8.64
9.16
9.69
11.26
11.78
12.83
Revision:15-Feb-12


20D102K (SUNSTAR)
METAL OXIDE VARISTOR

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ELECTRICAL CHARACTERISTIC
ZOV 20ĭ SERIES
Part Number
Maximum
Allowable
Voltage
Maximum Withstanding
Varistor Voltage Clamping
Surge
Voltage
Current
Maximum
Energy
(10/1000ȝs)
Rated
Power
Typical
Capacitance
(Reference)
Standard High Surge VAC(V) VDC(V)
V1mA(V)
IP(A)
VC(V)
I(A)
Standard
I(A)
High Surge
(J)
Standard
(J)
High Surge
(W)
20D180K 20D180J 11 14
18(15~21.6) 20 36 2000 3000 11
13 0.2
20D220K 20D220J 14 18
22(19.5~26) 20 43 2000 3000 14
16 0.2
20D270K 20D270J 17 22
27(24~31)
20 53 2000 3000 16
19 0.2
20D330K 20D330J 20 26 33(29.5~36.5) 20 65 2000 3000 23
24 0.2
20D390K 20D390J 25 31
39(35~43)
20 77 2000 3000 26
28 0.2
20D470K 20D470J 30 38
47(42~52)
20 93 2000 3000 30
34 0.2
20D560K 20D560J 35 45
56(50~62)
20 110 2000 3000 41
41 0.2
20D680K 20D680J 40 56
68(61~75)
20 135 2000 3000 46
49 0.2
20D820K 20D820J 50 65
82(74~90)
100 135 6500 10000 38
56 1.0
20D101K 20D101J 60 85 100(90~110) 100 165 6500 10000 45
70 1.0
20D121K 20D121J 75 100 120(108~132) 100 200 6500 10000 55
85 1.0
20D151K 20D151J 95 125 150(135~165) 100 250 6500 10000 70 106 1.0
20D181K 20D181J 115 150 180(162~198) 100 300 6500 10000 85 130 1.0
20D201K 20D201J 130 170 200(180~220) 100 340 6500 10000 95 140 1.0
20D221K 20D221J 140 180 220(198~242) 100 360 6500 10000 100 155 1.0
20D241K 20D241J 150 200 240(216~264) 100 395 6500 10000 108 168 1.0
20D271K 20D271J 175 225 270(243~297) 100 455 6500 10000 127 190 1.0
20D301K 20D301J 190 250 300(270~330) 100 500 6500 10000 136 210 1.0
20D331K 20D331J 210 275 330(297~363) 100 550 6500 10000 150 228 1.0
20D361K 20D361J 230 300 360(324~396) 100 595 6500 10000 163 255 1.0
20D391K 20D391J 250 320 390(351~429) 100 650 6500 10000 180 275 1.0
20D431K 20D431J 275 350 430(387~473) 100 710 6500 10000 190 305 1.0
20D471K 20D471J 300 385 470(423~517) 100 775 6500 10000 220 350 1.0
20D511K 20D511J 320 415 510(459~561) 100 845 6500 10000 220 360 1.0
20D561K 20D561J 350 460 560(504~616) 100 925 6500 10000 220 380 1.0
20D621K 20D621J 385 505 620(558~682) 100 1025 6500 10000 220 390 1.0
20D681K 20D681J 420 560 680(612~748) 100 1120 6500 10000 230 400 1.0
20D751K 20D751J 460 615 750(675~825) 100 1240 6500 10000 255 420 1.0
20D781K 20D781J 485 640 780(702~858) 100 1290 6500 10000 265 440 1.0
20D821K 20D821J 510 670 820(738~902) 100 1355 6500 10000 282 460 1.0
20D911K 20D911J 550 745 910(819~1001) 100 1500 6500 10000 310 510 1.0
20D102K 20D102J 625 825 1000(900~1100) 100 1650 6500 10000 342 565 1.0
20D112K 20D112J 680 895 1100(990~1210) 100 1815 6500 10000 383 620 1.0
20D122K 20D122J 750 990 1200(1080~1320) 100 1980 6500 10000 408 660 1.0
20D142 K 20D142J 880 1140 1400(1260~1540) 100 2310 6500 10000 532 784 1.0
20D162K 20D162J 1000 1280 1600(1440~1760) 100 2640 6500 10000 606 896 1.0
20D182K 20D182J 1100 1465 1800(1620~1980) 100 2970 6500 10000 625 990 1.0
The tolerance of varistor voltage between 18V and 27V is more than 10%.
Varistor voltageı1200V,structure diagram is F type.
Revision:15-Feb-12
@1KHZ(pf)
28500
18500
13000
11500
8500
7400
6500
5800
4900
4000
3300
2700
2200
2000
1800
1650
1500
1300
1200
1100
1000
930
850
780
710
650
600
530
510
500
440
400
360
350
340
330
320


20D102K (SUNSTAR)
METAL OXIDE VARISTOR

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ELECTRICAL RATINGS
ZOV 20ĭ SERIES
Item
Test Condition/Description
Requirement
Varistor Voltage
Maximum Allowable
Voltage
The voltage between two terminals with the specified measuring
current 1mA.DC applied is call Vb.
The recommended maximum sine wave voltage (RMS) or the
maximum DC voltage can be applied continuously.
The maximum voltage between two terminals with the specification
standard impulse current.
Applied waveform: 8/20ȝsec.
Maximum Clamping
Voltage
To meet the
specified value
Rated Wattage
Energy
Withstanding Surge
Current
Varistor Voltage
Temp. Coefficient
The maximum average power that can be applied within the specified
ambient temperature.
The maximum energy within the varistor voltage change of ±10%
when one impulse of 10/1000ȝsec. or 2 msec. is applied.
The maximum current within the varistor voltage change of ±10% with
the standard impulse current (8/20ȝsec.) applied one time.
Vb at 20ć - Vb at 70ć u 1 u 100 (% ć)
Vb at 20ć
50
The change of Vb shall be measured after the impulse listed below is
applied 10,000 times continuously with the interval of ten seconds at
room temperature.
5ĭ series
180K to 680K
820K to 751K
10A (8/20ȝsec.)
20A (8/20ȝsec.)
0.05% / ćmax
Surge Life
7ĭ series
10ĭ series
180K to 680K
820K to 821K
180K to 680K
820K to 112K
25A (8/20ȝsec.)
50A (8/20ȝsec.)
50A (8/20ȝsec.)
100A (8/20ȝsec.)
'Vb d r10%
Vb
14ĭ series
180K to 680K
820K to 182K
75A (8/20ȝsec.)
150A (8/20ȝsec.)
20ĭ series
180K to 680K
820K to 182K
100A (8/20ȝsec.)
200A (8/20ȝsec.)
Revision:15-Feb-12


20D102K (SUNSTAR)
METAL OXIDE VARISTOR

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MARKING CODE
ZOV 20ĭ SERIES
ZOV
ķ
XXXKDXXX
ĸ
ļ
Ľ
Ĺ XXX H
ĺľ
Ļ x VDE X
Ŀ
ŀ
ķ ZOV Logo
ĸ Varistor Voltage
Ĺ UL Accreditation Logo
ĺ CSA Accreditation Logo
Ļ VDE Accreditation Logo
ļ “J” is High Surge Code,not “J” is Standard Surge
Ľ Disk Size
ľ “H” is Halogen Free Code,not “H” is Halogen
Ŀ Date Code
ŀ Product Line Code
Revision:15-Feb-12




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